San Mateo County and the Trust for Public Land have purchased 25 acres on the eastern side of San Bruno Mountain and donated the land to the San Bruno Mountain County and State Park.

The land includes a 5,000-year-old Ohlone Indian shell mound as well as wetlands and habitat for two federally listed endangered butterflies, the Mission Blue and the Callippe Silverspot.

The funds came from the U.S. Fish and Wildlife Service, Caltrans, the San Francisco Foundation and the Pajaro Valley Ohlone Indian Council. The land previously belonged to Myers Development, which had planned to build on it before a settlement was reached with the Indian tribe and San Bruno Mountain Watch.